Projector positioning

A computing device comprising:

• one or more sensors that have a known spatial relationship with a projector;
• and
• a position adjustment service configured to:
• identify, based at least in part on the known spatial relationship between the one or more sensors and the projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface,
• determine a target position for the projector,
• determine one or more differences between the current position of the projector and the target position for the projector, and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the one or more sensors are embedded in a projector stand;
• and
• wherein the projector stand comprises a projector-stabilizing member configured to maintain the projector in the known spatial relationship with the one or more sensors.

A computing device comprising:

• one or more sensors that have a known spatial relationship with a projector;
• and
• a position adjustment service configured to:
• identify, based at least in part on the known spatial relationship between the one or more sensors and the projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface,
• determine a target position for the projector,
• determine one or more differences between the current position of the projector and the target position for the projector, and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the target position comprises an optimal distance attribute that indicates an optimal distance between the projector and the projection surface;
• and
• wherein the position adjustment service is further configured to:
• retrieve projector information indicating:
• a maximum size of a projected image for the projector, and
• a certain distance between the projection surface and the projector for the maximum size of the projected image;
• calculate a bounding box for the projected image based, at least in part, on the positions of the plurality of reference points that define the projection surface;
• identify a target area, for the projected image, that is within the bounding box;
• wherein the target area is at most the maximum size of the projected image;
• and
• calculate the optimal distance attribute of the target position based, at least in part, on the target area for the projected image and the certain distance in the retrieved projector information.

One or more non-transitory computer-readable media storing instructions which, when processed by one or more processors, cause:

• a position adjustment service executing on a computing device to:
• identify, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface,
• determine a target position for the projector,
• determine one or more differences between the current position of the projector and the target position for the projector,
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector, and
• retrieve information indicating a center of projection for the projector,
• wherein identifying the target position for the projector is based on the current position of the projector, and the information indicating the center of projection for the projector.

One or more non-transitory computer-readable media storing instructions which, when processed by one or more processors, cause:

• a position adjustment service executing on a computing device to:
• identify, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface,
• determine a target position for the projector,
• determine one or more differences between the current position of the projector and the target position for the projector, and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the one or more sensors are embedded in a projector stand;
• and
• wherein the projector stand comprises a projector-stabilizing member configured to maintain the projector in the known spatial relationship with the one or more sensors.

One or more non-transitory computer-readable media storing instructions which, when processed by one or more processors, cause:

• a position adjustment service executing on a computing device to:
• identify, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface,
• determine a target position for the projector,
• determine one or more differences between the current position of the projector and the target position for the projector, and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the target position comprises an optimal distance attribute that indicates an optimal distance between the projector and the projection surface;
• and
• wherein the non-transitory computer-readable media further comprise instructions which, when processed by the one or more processors, cause the position adjustment service to:
• retrieve projector information indicating:
• a maximum size of a projected image for the projector, and
• a certain distance between the projection surface and the projector for the maximum size of the projected image;
• calculate a bounding box for the projected image based, at least in part, on the positions of the plurality of reference points that define the projection surface;
• identify a target area, for the projected image, that is within the bounding box;
• wherein the target area is at most the maximum size of the projected image;
• and
• calculate the optimal distance attribute of the target position based, at least in part, on the target area for the projected image and the certain distance in the retrieved projector information.

A method comprising:

• identifying, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface;
• determining a target position for the projector;
• determining one or more differences between the current position of the projector and the target position for the projector;
• and
• performing one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the target position is a position at which a projected image from the projector has the largest possible size, which is less than a maximum size of a projected image for the projector and within a bounding box calculated, based, at least in part, on the positions of the plurality of reference points that define the projection surface.

A computing device comprising:

• a position adjustment service configured to:
• identify, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface;
• determine a target position for the projector;
• determine one or more differences between the current position of the projector and the target position for the projector;
• and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the target position is a position at which a projected image from the projector has the largest possible size, which is less than a maximum size of a projected image for the projector and within a bounding box calculated, based, at least in part, on the positions of the plurality of reference points that define the projection surface.

One or more non-transitory computer-readable media storing instructions which, when processed by one or more processors, cause:

• a position adjustment service executing on a computing device to:
• identify, based at least in part on a known spatial relationship between one or more sensors and a projector, a current position of the projector relative to positions of a plurality of reference points that define a projection surface;
• determine a target position for the projector;
• determine one or more differences between the current position of the projector and the target position for the projector;
• and
• perform one or more actions based upon the determined one or more differences between the current position of the projector and the target position for the projector;
• wherein the target position is a position at which a projected image from the projector has the largest possible size, which is less than a maximum size of a projected image for the projector and within a bounding box calculated, based, at least in part, on the positions of the plurality of reference points that define the projection surface.